City of Grosse Pointe Park issued the following announcement on Dec 28.
Attention Residents:
The department of Public Works will be picking up Christmas trees on your regular scheduled rubbish day. If you normally have an alley pickup, please place tree in front of house and not in the alley. If you have any questions, please reach out to the department of Public Works directly at 313-822-5100.
Original source can be found here.
Source: City of Grosse Pointe Park